/* roulang page: index */
:root{
  --ink-900:#070C16;
  --ink-800:#0B1220;
  --panel:#111B2D;
  --panel-2:#16223A;
  --line:rgba(140,170,220,.14);
  --line-strong:rgba(198,255,74,.42);
  --brand:#C6FF4A;
  --brand-deep:#9BE01F;
  --accent:#35E5D0;
  --warm:#FF7A50;
  --text:#EAF0FA;
  --text-2:#A7B4CC;
  --text-3:#6E7D96;
  --glass:rgba(255,255,255,.05);
  --radius-card:18px;
  --radius-soft:14px;
  --radius-pill:999px;
  --shadow-card:0 14px 34px -22px rgba(0,0,0,.9), inset 0 0 0 1px var(--line);
  --shadow-glow:0 0 0 1px rgba(198,255,74,.45), 0 10px 30px -10px rgba(198,255,74,.45);
  --space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--space-8:64px;--space-9:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--ink-800);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease;}
img{display:block;max-width:100%;height:auto;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
input{font:inherit;}
svg{display:block;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn svg{width:18px;height:18px;}
.btn-primary{background:linear-gradient(180deg,var(--brand) 0%,var(--brand-deep) 100%);color:#0A1220;box-shadow:var(--shadow-glow);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(198,255,74,.6),0 16px 34px -12px rgba(198,255,74,.55);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(198,255,74,.4);}
.btn-ghost{background:transparent;border-color:rgba(140,170,220,.28);color:var(--text);}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--brand);transform:translateY(-2px);}
.btn-sm{padding:8px 16px;font-size:13px;}
.btn-block{width:100%;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:8px;font-size:12px;letter-spacing:.04em;
  border:1px solid rgba(198,255,74,.42);color:var(--brand);background:rgba(198,255,74,.08);
}
.badge-warm{border-color:rgba(255,122,80,.42);color:var(--warm);background:rgba(255,122,80,.12);}
.tag{display:inline-flex;align-items:center;padding:4px 10px;border-radius:8px;font-size:12px;color:var(--text-2);background:var(--panel-2);border:1px solid var(--line);}
.section{padding:88px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,2.8vw,34px);font-weight:700;line-height:1.25;letter-spacing:-.01em;}
.section-head p{margin-top:10px;font-size:14px;color:var(--text-3);max-width:640px;}
.link-more{font-size:14px;color:var(--accent);display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(140,170,220,.22),transparent);}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:12px;z-index:80;padding:0 24px;}
.nav-panel{
  max-width:1200px;margin:0 auto;height:68px;
  display:flex;align-items:center;gap:16px;
  padding:0 14px 0 16px;border-radius:20px;
  background:rgba(17,27,45,.78);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 14px 34px -22px rgba(0,0,0,.9);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(198,255,74,.22),rgba(53,229,208,.16));
  border:1px solid rgba(198,255,74,.4);color:var(--brand);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:.01em;}
.brand-text span{font-size:11px;letter-spacing:.08em;color:var(--text-3);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-item{
  display:flex;align-items:center;gap:7px;
  padding:8px 11px;border-radius:12px;font-size:13px;color:var(--text-2);
  border:1px solid transparent;
}
.nav-item svg{width:17px;height:17px;opacity:.85;}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff;}
.nav-item.active{color:var(--brand);background:rgba(198,255,74,.1);border-color:rgba(198,255,74,.35);}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:12px;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);align-items:center;justify-content:center;color:var(--text);
  background:rgba(255,255,255,.04);
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--brand);}
.mobile-drawer{
  display:none;max-width:1200px;margin:10px auto 0;
  padding:16px;border-radius:20px;
  background:rgba(17,27,45,.94);
  backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.1);
  box-shadow:0 20px 40px -24px rgba(0,0,0,.95);
}
.mobile-drawer.open{display:block;}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.drawer-item{
  display:flex;align-items:flex-start;gap:10px;padding:12px;
  border-radius:14px;background:var(--panel);border:1px solid var(--line);
}
.drawer-item svg{width:20px;height:20px;color:var(--accent);flex-shrink:0;margin-top:2px;}
.drawer-item strong{display:block;font-size:14px;font-weight:600;}
.drawer-item span{display:block;font-size:12px;color:var(--text-3);line-height:1.6;}
.drawer-item:hover{border-color:var(--line-strong);}
.drawer-cta{margin-top:12px;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#0B1220 0%,#070C16 100%);
  padding:56px 0 88px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(140,170,220,.55) 1px,transparent 1px);
  background-size:32px 32px;opacity:.08;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.hero-badge{margin-bottom:20px;}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.01em;
}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{margin-top:18px;font-size:clamp(15px,1.6vw,18px);color:var(--text-2);max-width:520px;}
.hero-actions{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap;}
.hero-stats{display:flex;gap:36px;margin-top:44px;flex-wrap:wrap;padding-top:24px;border-top:1px solid var(--line);}
.stat-num{font-size:26px;font-weight:800;color:var(--brand);line-height:1.1;}
.stat-label{font-size:12px;letter-spacing:.04em;color:var(--text-3);margin-top:4px;}

.phone-wrap{display:flex;justify-content:center;}
.phone-frame{
  position:relative;width:340px;max-width:100%;aspect-ratio:9/16;
  border-radius:28px;overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
  background:var(--panel);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.95), inset 0 0 0 1px rgba(255,255,255,.06);
  transform:rotate(-1.5deg);
  transition:transform .4s ease;
}
.phone-frame:hover{transform:rotate(0deg);}
.phone-frame img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.phone-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,22,.55) 0%,rgba(7,12,22,.35) 45%,rgba(7,12,22,.9) 100%);
}
.phone-top{position:absolute;top:16px;left:16px;right:16px;z-index:2;display:flex;justify-content:space-between;gap:8px;align-items:center;}
.phone-status{
  display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:10px;
  font-size:12px;color:var(--brand);background:rgba(7,12,22,.72);
  border:1px solid rgba(198,255,74,.4);backdrop-filter:blur(8px);
}
.dot-live{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 3px rgba(198,255,74,.2);}
.phone-bottom{position:absolute;left:16px;right:16px;bottom:18px;z-index:2;display:flex;flex-direction:column;align-items:center;gap:12px;}
.phone-dots{display:flex;gap:6px;}
.phone-dots i{width:6px;height:6px;border-radius:50%;background:rgba(234,240,250,.32);}
.phone-dots i:first-child{background:var(--brand);}

/* ---------- 卖点 ---------- */
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.value-card{
  padding:24px;border-radius:var(--radius-card);background:var(--panel);
  box-shadow:var(--shadow-card);transition:transform .2s ease,border-color .2s ease;
}
.value-card:hover{transform:translateY(-2px);}
.value-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(53,229,208,.1);border:1px solid rgba(53,229,208,.24);color:var(--accent);margin-bottom:16px;
}
.value-icon svg{width:20px;height:20px;}
.value-card h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.value-card p{font-size:14px;color:var(--text-3);line-height:1.7;}

/* ---------- 片段卡 ---------- */
.clip-scroller{
  display:flex;gap:18px;overflow-x:auto;padding:6px 4px 18px;
  scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none;
}
.clip-scroller::-webkit-scrollbar{display:none;}
.clip-card{
  position:relative;flex:0 0 240px;aspect-ratio:9/16;border-radius:20px;overflow:hidden;
  background:var(--panel);scroll-snap-align:start;
  box-shadow:var(--shadow-card);
  transition:transform .25s ease,box-shadow .25s ease;
}
.clip-card:hover{transform:translateY(-6px);box-shadow:0 18px 40px -22px rgba(0,0,0,.95),inset 0 0 0 1px var(--line-strong);}
.clip-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.clip-card:hover img{transform:scale(1.03);}
.clip-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,22,.05) 0%,rgba(7,12,22,0) 40%,rgba(7,12,22,.92) 100%);
}
.clip-meta{position:absolute;top:12px;left:12px;right:12px;z-index:2;display:flex;justify-content:space-between;gap:8px;}
.clip-time{font-size:11px;padding:3px 8px;border-radius:6px;background:rgba(7,12,22,.72);color:var(--text-2);border:1px solid rgba(255,255,255,.12);}
.clip-hot{font-size:11px;padding:3px 8px;border-radius:6px;background:rgba(255,122,80,.16);color:var(--warm);border:1px solid rgba(255,122,80,.4);}
.clip-body{position:absolute;left:14px;right:14px;bottom:14px;z-index:2;}
.clip-body h3{font-size:15px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.clip-foot{display:flex;align-items:center;gap:6px;margin-top:8px;font-size:12px;color:var(--text-2);}
.clip-foot svg{width:13px;height:13px;}
.clip-play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:48px;height:48px;border-radius:50%;display:grid;place-items:center;z-index:2;
  background:rgba(7,12,22,.6);border:1px solid rgba(198,255,74,.5);color:var(--brand);
  transition:width .25s ease,height .25s ease,background .25s ease;
}
.clip-card:hover .clip-play{width:56px;height:56px;background:rgba(198,255,74,.18);}
.clip-play svg{width:18px;height:18px;}

/* ---------- 清单 ---------- */
.chip-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px;}
.chip{
  padding:7px 16px;border-radius:var(--radius-pill);font-size:12px;color:var(--text-2);
  background:var(--panel);border:1px solid var(--line);cursor:pointer;
  transition:all .2s ease;
}
.chip:hover{color:#fff;border-color:rgba(140,170,220,.3);}
.chip.on{background:var(--brand);color:#0A1220;border-color:var(--brand);font-weight:600;}
.rank-columns{display:grid;grid-template-columns:1fr 1fr;gap:24px 40px;}
.rank-columns .rank-col:nth-child(2){margin-top:24px;}
.rank-row{display:flex;align-items:center;gap:18px;padding:14px 0;border-bottom:1px solid var(--line);}
.rank-num{
  font-size:44px;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:1px rgba(198,255,74,.4);letter-spacing:-.02em;flex-shrink:0;width:56px;
}
.rank-thumb{
  width:64px;height:64px;border-radius:14px;overflow:hidden;flex-shrink:0;
  background:linear-gradient(140deg,var(--panel-2),#0E1728);border:1px solid var(--line);
}
.rank-thumb img{width:100%;height:100%;object-fit:cover;}
.rank-main{flex:1;min-width:0;}
.rank-main h3{font-size:15px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.rank-main p{font-size:13px;color:var(--text-3);margin-top:4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.rank-btn{flex-shrink:0;}

/* ---------- 资讯 CMS ---------- */
.news-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:24px;}
.news-main{
  background:var(--panel);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-card);display:flex;flex-direction:column;
  transition:transform .2s ease;
}
.news-main:hover{transform:translateY(-2px);}
.news-main-cover{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(140deg,var(--panel-2),#0D1728);border-bottom:1px solid var(--line);}
.news-main-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-main:hover .news-main-cover img{transform:scale(1.03);}
.news-main-body{padding:24px;}
.news-main-body h3{font-size:21px;font-weight:700;line-height:1.4;margin-top:14px;}
.news-main-body p{font-size:14px;color:var(--text-3);margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-main-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;font-size:13px;color:var(--text-3);}
.news-side{display:flex;flex-direction:column;gap:14px;}
.news-item{
  display:flex;gap:14px;padding:14px;border-radius:var(--radius-soft);
  background:var(--panel);box-shadow:var(--shadow-card);
  transition:transform .2s ease,border-color .2s ease;
}
.news-item:hover{transform:translateY(-2px);}
.news-item-main{flex:1;min-width:0;}
.news-item-main h3{font-size:15px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-item-main p{font-size:13px;color:var(--text-3);margin-top:6px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.news-item-meta{display:flex;align-items:center;gap:8px;margin-top:10px;font-size:12px;color:var(--text-3);flex-wrap:wrap;}
.news-thumb{width:108px;height:72px;border-radius:11px;overflow:hidden;flex-shrink:0;background:var(--panel-2);border:1px solid var(--line);}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:64px 24px;border-radius:var(--radius-card);
  background:var(--panel);border:1px dashed rgba(140,170,220,.24);text-align:center;
}
.empty-state svg{width:36px;height:36px;color:var(--text-3);}
.empty-state p{font-size:14px;color:var(--text-3);}

/* ---------- 口碑 ---------- */
.review-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.score-card{
  display:flex;align-items:center;gap:12px;padding:12px 18px;border-radius:16px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  backdrop-filter:blur(14px);
}
.score-num{font-size:26px;font-weight:800;color:var(--brand);line-height:1;}
.score-label{font-size:12px;color:var(--text-3);}
.review-scroller{
  display:flex;gap:16px;overflow-x:auto;padding:6px 4px 18px;
  scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none;
}
.review-scroller::-webkit-scrollbar{display:none;}
.review-card{
  flex:0 0 300px;scroll-snap-align:start;padding:20px;border-radius:var(--radius-card);
  background:var(--panel);box-shadow:var(--shadow-card);
}
.review-top{display:flex;align-items:center;gap:10px;}
.avatar{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  font-size:15px;font-weight:700;color:#0A1220;flex-shrink:0;
}
.avatar.a1{background:var(--brand);}
.avatar.a2{background:var(--accent);}
.avatar.a3{background:var(--warm);}
.review-name{font-size:14px;font-weight:600;}
.review-time{font-size:12px;color:var(--text-3);}
.stars{display:flex;gap:3px;margin-top:12px;color:var(--brand);}
.stars svg{width:14px;height:14px;}
.review-text{font-size:14px;color:var(--text-2);line-height:1.7;margin-top:10px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- CTA 带 ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:40px;border-radius:24px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  backdrop-filter:blur(14px);
}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);font-weight:700;line-height:1.3;}
.cta-band p{font-size:14px;color:var(--text-3);margin-top:10px;max-width:520px;}
.cta-actions{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap;}
.qr-box{
  width:120px;height:120px;flex-shrink:0;border-radius:16px;
  background:var(--panel-2);border:1px solid var(--line);position:relative;
  display:grid;place-items:center;
}
.qr-box .corner{position:absolute;width:14px;height:14px;border:2px solid var(--brand);border-radius:3px;opacity:.8;}
.qr-box .c1{top:10px;left:10px;border-right:none;border-bottom:none;}
.qr-box .c2{top:10px;right:10px;border-left:none;border-bottom:none;}
.qr-box .c3{bottom:10px;left:10px;border-right:none;border-top:none;}
.qr-box .c4{bottom:10px;right:10px;border-left:none;border-top:none;}
.qr-box span{font-size:12px;color:var(--text-3);}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--panel);border-radius:14px;border:1px solid var(--line);
  overflow:hidden;transition:background .2s ease,border-color .2s ease;
}
.faq-item.open{background:var(--panel-2);border-color:rgba(198,255,74,.3);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:18px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  position:relative;
}
.faq-q:hover{color:#fff;}
.faq-idx{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums;flex-shrink:0;}
.faq-q span.qt{flex:1;}
.faq-icon{width:20px;height:20px;flex-shrink:0;color:var(--text-3);transition:transform .25s ease,color .25s ease;}
.faq-item.open .faq-icon{transform:rotate(45deg);color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.open .faq-a{max-height:320px;}
.faq-a p{font-size:14px;line-height:1.8;color:var(--text-2);padding:0 22px 20px 50px;border-left:3px solid var(--brand);margin-left:22px;padding-left:18px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:88px;background:var(--panel-2);
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg,transparent,rgba(198,255,74,.3),transparent) 1;
  padding:64px 0 24px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-3);line-height:1.7;max-width:280px;}
.footer-qr{
  margin-top:18px;width:96px;height:96px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  display:grid;place-items:center;font-size:11px;color:var(--text-3);
}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col li{font-size:14px;color:var(--text-3);}
.footer-col a:hover{color:#fff;transform:translateX(2px);display:inline-block;}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(140,170,220,.12);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12px;color:var(--text-3);
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease-out,transform .4s ease-out;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation:none !important;transition:none !important;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-primary{display:none;}
  .hero-inner{grid-template-columns:1fr .8fr;gap:36px;}
}
@media (max-width:1023px){
  .hero-inner{grid-template-columns:1fr;gap:48px;}
  .phone-wrap{order:-1;}
  .phone-frame{width:300px;transform:rotate(0);}
  .value-grid{grid-template-columns:1fr 1fr;}
  .news-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .site-header{padding:0 14px;top:8px;}
  .nav-panel{height:62px;padding:0 10px 0 12px;}
  .brand-text strong{font-size:15px;}
  .brand-text span{font-size:10px;}
  .section{padding:48px 0;}
  .hero{padding:36px 0 56px;}
  .hero-stats{gap:24px;margin-top:32px;}
  .hero-actions .btn{width:100%;}
  .rank-columns{grid-template-columns:1fr;gap:0;}
  .rank-columns .rank-col:nth-child(2){margin-top:0;}
  .rank-num{font-size:34px;width:42px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px;}
  .qr-box{width:96px;height:96px;align-self:center;}
  .faq-a p{padding-left:16px;margin-left:14px;}
  .drawer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:center;text-align:center;}
}
@media (max-width:480px){
  .value-grid{grid-template-columns:1fr;}
  .clip-card{flex:0 0 78%;}
  .review-card{flex:0 0 86%;}
  .hero-actions{flex-direction:column;}
  .phone-frame{width:100%;max-width:300px;}
  .footer-grid{grid-template-columns:1fr;}
}

/* roulang page: article */
:root{
  --ink-900:#070C16;
  --ink-800:#0B1220;
  --panel:#111B2D;
  --panel-2:#16223A;
  --line:rgba(140,170,220,.14);
  --line-strong:rgba(198,255,74,.42);
  --brand:#C6FF4A;
  --brand-deep:#9BE01F;
  --accent:#35E5D0;
  --warm:#FF7A50;
  --text:#EAF0FA;
  --text-2:#A7B4CC;
  --text-3:#6E7D96;
  --glass:rgba(255,255,255,.05);
  --r-card:18px;
  --r-sm:8px;
  --r-pill:999px;
  --shadow:0 14px 34px -22px rgba(0,0,0,.9);
  --glow:0 0 0 1px rgba(198,255,74,.45),0 10px 30px -10px rgba(198,255,74,.45);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink-800);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--accent);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand)}
button{font:inherit;color:inherit;cursor:pointer}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);padding:12px 22px;font-size:15px;font-weight:600;
  border:1px solid transparent;text-decoration:none;cursor:pointer;
  transition:transform .18s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease,color .18s ease;
}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--brand);color:#0A1220;box-shadow:var(--glow)}
.btn-primary:hover{background:#d6ff75;color:#0A1220;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--brand);transform:translateY(-2px)}
.btn-sm{padding:9px 16px;font-size:13px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-sm);
  font-size:12px;letter-spacing:.04em;color:var(--accent);
  background:rgba(53,229,208,.1);border:1px solid rgba(53,229,208,.24);
}
/* ===== 顶部导航 ===== */
.site-header{position:sticky;top:0;z-index:80;padding:12px 24px 0}
.nav-panel{
  position:relative;
  max-width:1200px;margin:0 auto;height:68px;
  display:flex;align-items:center;gap:14px;
  padding:0 14px 0 16px;
  background:rgba(10,17,30,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.08);
  border-radius:20px;
  box-shadow:var(--shadow);
}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(198,255,74,.18),rgba(53,229,208,.12));
  border:1px solid var(--line-strong);color:var(--brand);flex:0 0 auto;
}
.brand-mark svg{width:22px;height:22px}
.brand-text{display:flex;flex-direction:column;line-height:1.12}
.brand-text strong{font-size:15px;letter-spacing:.02em}
.brand-text span{font-size:11px;letter-spacing:.08em;color:var(--text-3)}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;min-width:0;margin-left:4px}
.nav-item{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 11px;border-radius:12px;
  font-size:13px;color:var(--text-2);white-space:nowrap;
  border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.nav-item svg{width:18px;height:18px;color:var(--accent);flex:0 0 auto}
.nav-item:hover{background:var(--glass);color:var(--text)}
.nav-item.active{border-color:var(--line-strong);background:rgba(198,255,74,.1);color:var(--brand)}
.nav-item.active svg{color:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:var(--glass);border:1px solid var(--line);color:var(--text);
}
.nav-toggle:hover{border-color:var(--line-strong);color:var(--brand)}
.nav-toggle svg{width:20px;height:20px}
/* ===== 面包屑 ===== */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  padding:26px 0 0;font-size:12px;color:var(--text-3);letter-spacing:.02em;
}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(140,170,220,.3)}
.breadcrumb .current{color:var(--text-2);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
/* ===== 文章头 ===== */
.article-hero{padding:18px 0 34px;border-bottom:1px solid var(--line);margin-bottom:36px}
.article-hero .tag{margin-bottom:16px}
.article-hero h1{
  font-size:clamp(26px,3.6vw,42px);
  font-weight:800;line-height:1.2;letter-spacing:-.01em;
  max-width:900px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;
  margin-top:18px;font-size:13px;color:var(--text-3);letter-spacing:.03em;
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(140,170,220,.4)}
/* ===== 双栏布局 ===== */
.layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;
  gap:44px;align-items:start;padding-bottom:20px;
}
.main-col{min-width:0}
/* ===== 正文排版 ===== */
.article-body{color:#DCE4F2}
.article-body p{font-size:16px;line-height:1.85;margin:0 0 1.1em;color:#DCE4F2}
.article-body h2{
  position:relative;margin:40px 0 16px;padding-left:15px;
  font-size:clamp(20px,2.3vw,25px);font-weight:700;line-height:1.4;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));
}
.article-body h3{margin:28px 0 12px;font-size:18px;font-weight:600;color:var(--text)}
.article-body h4{margin:22px 0 10px;font-size:16px;font-weight:600;color:var(--text)}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:1.4em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.4em 0;line-height:1.8;color:#DCE4F2}
.article-body li::marker{color:var(--accent)}
.article-body blockquote{
  margin:24px 0;padding:18px 20px;
  background:var(--panel-2);
  border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;
  color:var(--text-2);font-size:15px;line-height:1.8;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  width:100%;height:auto;border-radius:14px;margin:24px 0 10px;
  background:var(--panel);border:1px solid var(--line);
}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#d6ff75}
.article-body strong{color:var(--text)}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:14px;
  display:block;overflow-x:auto;border-radius:12px;
}
.article-body thead{background:var(--panel-2)}
.article-body th{
  padding:12px 14px;text-align:left;font-weight:600;color:var(--text);
  border-bottom:1px solid var(--line);white-space:nowrap;
}
.article-body td{
  padding:12px 14px;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.article-body tr:last-child td{border-bottom:0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body code{
  padding:2px 6px;border-radius:6px;font-size:14px;
  background:var(--panel-2);color:var(--accent);border:1px solid var(--line);
}
/* ===== 空态 ===== */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:64px 24px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);
}
.empty-state svg{width:44px;height:44px;color:var(--text-3)}
.empty-state h2{font-size:20px;font-weight:700}
.empty-state p{font-size:14px;color:var(--text-3);margin:0;max-width:420px}
/* ===== 标签与翻页 ===== */
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:34px 0 0;padding-top:24px;border-top:1px solid var(--line)}
.tag-row .tag{color:var(--text-2);background:var(--panel);border-color:var(--line)}
.tag-row .tag:hover{color:var(--brand);border-color:var(--line-strong)}
.pn-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px}
.pn-card{
  display:block;padding:16px 18px;border-radius:14px;
  background:var(--panel);border:1px solid var(--line);
  transition:transform .18s ease,border-color .18s ease,background .18s ease;
}
.pn-card:hover{transform:translateY(-2px);border-color:var(--line-strong);background:var(--panel-2)}
.pn-card span{display:block;font-size:12px;color:var(--text-3);letter-spacing:.04em;margin-bottom:6px}
.pn-card strong{display:block;font-size:15px;font-weight:600;color:var(--text);line-height:1.5}
.back-row{margin-top:22px}
/* ===== 侧栏 ===== */
.aside{position:sticky;top:96px;display:grid;gap:16px;align-self:start}
.side-card{
  padding:18px 18px 20px;border-radius:var(--r-card);
  background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);
}
.side-card h2{font-size:14px;font-weight:700;letter-spacing:.04em;color:var(--text);margin-bottom:12px}
.toc-list{display:grid;gap:2px;counter-reset:toc}
.toc-list li{counter-increment:toc}
.toc-list a{
  display:flex;gap:8px;padding:6px 8px;border-radius:9px;
  font-size:13px;line-height:1.6;color:var(--text-2);
  transition:background .18s ease,color .18s ease;
}
.toc-list a::before{content:counter(toc,decimal-leading-zero);color:var(--text-3);font-size:11px;line-height:1.9;flex:0 0 auto}
.toc-list a:hover{background:var(--glass);color:var(--brand)}
.toc-list li.lv3 a{padding-left:22px;font-size:12.5px;color:var(--text-3)}
.toc-empty{font-size:12.5px;color:var(--text-3);margin:0;line-height:1.7}
.cta-card{
  padding:20px 18px;border-radius:var(--r-card);
  background:linear-gradient(160deg,rgba(198,255,74,.1),rgba(53,229,208,.06)),var(--panel);
  border:1px solid var(--line-strong);
}
.cta-card h2{font-size:16px;font-weight:700;margin-bottom:8px}
.cta-card p{font-size:13px;line-height:1.7;color:var(--text-2);margin:0 0 14px}
.cta-card .btn{width:100%}
.rel-side{display:grid;gap:12px}
.rel-side a{
  display:grid;grid-template-columns:64px 1fr;gap:10px;align-items:center;
  padding:8px;border-radius:12px;border:1px solid transparent;
  transition:background .18s ease,border-color .18s ease;
}
.rel-side a:hover{background:var(--glass);border-color:var(--line)}
.rel-side img{
  width:64px;height:64px;border-radius:10px;object-fit:cover;
  background:var(--panel-2);border:1px solid var(--line);
}
.rel-side strong{display:block;font-size:13.5px;font-weight:600;color:var(--text);line-height:1.5}
.rel-side em{display:block;font-style:normal;font-size:12px;color:var(--text-3);margin-top:4px}
/* ===== 相关推荐 ===== */
.section{padding:64px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700}
.section-head p{font-size:14px;color:var(--text-3);margin:8px 0 0}
.section-head .link{font-size:14px;color:var(--accent);white-space:nowrap}
.section-head .link:hover{color:var(--brand)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease;
}
.rel-card:hover{transform:translateY(-3px);border-color:var(--line-strong)}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--panel-2);border-bottom:1px solid var(--line)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:10px}
.rel-body h3{font-size:16px;font-weight:600;line-height:1.5}
.rel-body h3 a{color:var(--text)}
.rel-body h3 a:hover{color:var(--brand)}
.rel-body p{font-size:13.5px;line-height:1.7;color:var(--text-3);margin:0}
/* ===== CTA 带 ===== */
.cta-band{
  margin-top:64px;padding:34px;
  display:grid;grid-template-columns:1fr 120px;gap:28px;align-items:center;
  border-radius:24px;
  background:rgba(255,255,255,.05);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.08);
}
.cta-band h2{font-size:clamp(20px,2.4vw,28px);font-weight:700;margin-bottom:8px}
.cta-band p{font-size:14px;color:var(--text-2);margin:0 0 18px;max-width:520px}
.cta-band .actions{display:flex;flex-wrap:wrap;gap:10px}
.qr-box{
  width:120px;height:120px;border-radius:16px;position:relative;
  display:grid;place-items:center;
  background:var(--panel-2);border:1px solid var(--line);
  font-size:12px;color:var(--text-3);letter-spacing:.06em;
}
.qr-box::before,.qr-box::after{
  content:"";position:absolute;width:18px;height:18px;border:2px solid var(--brand);border-radius:4px;
}
.qr-box::before{top:9px;left:9px;border-right:0;border-bottom:0}
.qr-box::after{bottom:9px;right:9px;border-left:0;border-top:0}
/* ===== 页脚 ===== */
.site-footer{position:relative;margin-top:88px;background:var(--panel-2)}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(198,255,74,.3),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding:52px 0 32px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--text-3);margin:16px 0 18px;max-width:280px}
.footer-qr{
  width:104px;height:104px;border-radius:14px;position:relative;
  display:grid;place-items:center;font-size:12px;letter-spacing:.06em;color:var(--text-3);
  background:var(--panel);border:1px solid var(--line);
}
.footer-qr::before,.footer-qr::after{content:"";position:absolute;width:16px;height:16px;border:2px solid rgba(198,255,74,.6);border-radius:4px}
.footer-qr::before{top:8px;left:8px;border-right:0;border-bottom:0}
.footer-qr::after{bottom:8px;right:8px;border-left:0;border-top:0}
.footer-col h4{font-size:14px;font-weight:600;letter-spacing:.04em;color:var(--text);margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col li{font-size:13.5px;color:var(--text-3);line-height:1.7}
.footer-col a{font-size:13.5px;color:var(--text-3);display:inline-block;transition:color .18s ease,transform .18s ease}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:center;align-items:center;
  padding:18px 0 26px;border-top:1px solid var(--line);
  font-size:12px;color:var(--text-3);letter-spacing:.03em;text-align:center;
}
/* ===== 入场动画 ===== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease-out,transform .4s ease-out}
.reveal.in{opacity:1;transform:none}
/* ===== 响应式 ===== */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-ghost{display:none}
  .nav-toggle{display:inline-flex}
  body.nav-open .nav-links{
    display:grid;grid-template-columns:1fr 1fr;gap:8px;
    position:absolute;top:calc(100% + 8px);left:0;right:0;
    padding:14px;margin:0;
    background:rgba(12,20,35,.97);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    border:1px solid rgba(255,255,255,.1);border-radius:20px;
    box-shadow:0 24px 50px -24px rgba(0,0,0,.9);
  }
  body.nav-open .nav-item{padding:12px;font-size:14px;background:var(--glass)}
  .layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .aside{display:none}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{grid-template-columns:1fr;gap:22px;padding:28px}
  .qr-box{margin:0 auto;width:104px;height:104px}
}
@media (max-width:767px){
  .site-header{padding:10px 18px 0}
  .nav-panel{height:62px;padding:0 10px 0 12px;gap:8px}
  .brand-text strong{font-size:14px}
  .brand-text span{font-size:10px}
  .container{padding:0 18px}
  .breadcrumb{padding-top:18px}
  .breadcrumb .current{max-width:52vw}
  .article-hero{padding:14px 0 26px;margin-bottom:28px}
  .meta-row{font-size:12.5px;gap:6px 8px}
  .pn-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .section{padding-top:48px}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-band{margin-top:48px;padding:24px;border-radius:20px}
  .cta-band .actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px;padding:40px 0 26px}
  .footer-brand{grid-column:1 / -1}
  .article-body table{font-size:13px}
}
@media (max-width:520px){
  .nav-actions .btn-primary{display:none}
  .footer-grid{grid-template-columns:1fr}
  .article-hero h1{font-size:25px}
  .btn{padding:11px 18px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --ink-900:#070C16;
  --ink-800:#0B1220;
  --panel:#111B2D;
  --panel-2:#16223A;
  --line:rgba(140,170,220,.14);
  --line-strong:rgba(198,255,74,.42);
  --brand:#C6FF4A;
  --brand-deep:#9BE01F;
  --accent:#35E5D0;
  --warm:#FF7A50;
  --text:#EAF0FA;
  --text-2:#A7B4CC;
  --text-3:#6E7D96;
  --glass:rgba(255,255,255,.05);
  --glass-line:rgba(255,255,255,.08);
  --r-lg:20px;
  --r-md:18px;
  --r-sm:14px;
  --r-xs:8px;
  --shadow-card:0 14px 34px -22px rgba(0,0,0,.9),inset 0 0 0 1px var(--line);
  --shadow-btn:0 0 0 1px rgba(198,255,74,.45),0 10px 30px -10px rgba(198,255,74,.45);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--accent);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand)}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em;font-weight:700}
p{margin:0}
svg{flex-shrink:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:12px;
  z-index:60;
  padding:0 24px;
}
.nav-shell{
  max-width:1200px;
  margin:0 auto;
  min-height:68px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 16px;
  border-radius:var(--r-lg);
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 18px 40px -30px rgba(0,0,0,.95);
}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex-shrink:0}
.brand:hover{color:var(--text)}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  color:#0A1220;
  box-shadow:0 8px 20px -12px rgba(198,255,74,.9);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:15px;font-weight:800;letter-spacing:.02em}
.brand-text span{font-size:11px;color:var(--text-3);letter-spacing:.08em;margin-top:2px}

.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-item{
  display:flex;align-items:center;gap:6px;
  padding:8px 10px;
  border-radius:12px;
  font-size:13px;
  color:var(--text-2);
  border:1px solid transparent;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.nav-item svg{width:17px;height:17px;opacity:.85}
.nav-item:hover{background:rgba(255,255,255,.06);color:var(--text);border-color:var(--line);transform:translateY(-1px)}
.nav-item.active{
  color:var(--brand);
  border-color:var(--line-strong);
  background:rgba(198,255,74,.09);
}
.nav-item.active svg{opacity:1}

.nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;margin-left:6px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;
  border-radius:999px;
  font-size:15px;font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn svg{width:18px;height:18px}
.btn-primary{
  background:linear-gradient(140deg,var(--brand),var(--brand-deep));
  color:#0A1220;
  box-shadow:var(--shadow-btn);
}
.btn-primary:hover{color:#0A1220;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(198,255,74,.65),0 16px 34px -12px rgba(198,255,74,.55)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(198,255,74,.45)}
.btn-ghost{
  background:transparent;
  color:var(--text);
  border-color:var(--line);
}
.btn-ghost:hover{color:var(--text);border-color:var(--line-strong);transform:translateY(-2px);background:rgba(255,255,255,.04)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:8px 16px;font-size:13px}

.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--text);
  place-items:center;
  background:rgba(255,255,255,.04);
}
.nav-toggle svg{width:20px;height:20px}

.mobile-panel{
  display:none;
  position:absolute;
  left:24px;right:24px;
  top:calc(100% + 10px);
  padding:16px;
  border-radius:var(--r-lg);
  background:rgba(11,18,32,.92);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:0 30px 60px -30px rgba(0,0,0,1);
}
.mobile-panel.open{display:block}
.mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mobile-card{
  display:flex;flex-direction:column;gap:4px;
  padding:12px;
  border-radius:14px;
  background:var(--panel);
  border:1px solid var(--line);
  color:var(--text);
}
.mobile-card:hover{border-color:var(--line-strong);color:var(--text)}
.mobile-card strong{font-size:14px;font-weight:600;display:flex;align-items:center;gap:6px}
.mobile-card strong svg{width:16px;height:16px;color:var(--accent)}
.mobile-card span{font-size:12px;color:var(--text-3);line-height:1.5}
.mobile-card.active{border-color:var(--line-strong);background:rgba(198,255,74,.08)}
.mobile-cta{margin-top:12px}
.mobile-cta .btn{width:100%}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:26px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--text-3);letter-spacing:.04em}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li::after{content:"/";color:rgba(140,170,220,.3)}
.breadcrumb li:last-child::after{content:""}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .current{color:var(--text-2)}

/* ---------- 通用区块 ---------- */
.section{padding:64px 0}
.section-tight{padding:48px 0}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{font-size:clamp(22px,2.8vw,32px);font-weight:700;line-height:1.25}
.section-head p{margin-top:12px;font-size:14px;color:var(--text-2);line-height:1.75}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:var(--r-xs);
  font-size:12px;letter-spacing:.08em;
  color:var(--brand);
  border:1px solid var(--line-strong);
  background:rgba(198,255,74,.07);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand)}

/* ---------- 页面头 ---------- */
.page-hero{
  padding:36px 0 8px;
  position:relative;
  background:
    linear-gradient(135deg,rgba(17,27,45,.9),rgba(7,12,22,0) 62%),
    radial-gradient(circle at 82% 12%,rgba(53,229,208,.10),transparent 46%);
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.page-hero h1{
  margin-top:20px;
  font-size:clamp(30px,4vw,46px);
  font-weight:800;
  line-height:1.16;
  letter-spacing:-.01em;
}
.page-hero h1 em{font-style:normal;color:var(--brand)}
.hero-lead{margin-top:18px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:28px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.hero-meta div{display:flex;flex-direction:column;gap:2px}
.hero-meta b{font-size:22px;font-weight:800;color:var(--brand);line-height:1.2}
.hero-meta span{font-size:12px;color:var(--text-3);letter-spacing:.04em}

.hero-banner{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--panel);
  box-shadow:var(--shadow-card);
  aspect-ratio:16/11;
}
.hero-banner img{width:100%;height:100%;object-fit:cover;opacity:.86}
.hero-banner::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,22,.15),rgba(7,12,22,.82));
}
.hero-banner figcaption{
  position:absolute;
  left:18px;right:18px;bottom:16px;
  z-index:2;
  font-size:13px;
  color:var(--text);
  display:flex;align-items:center;gap:8px;
}
.hero-banner figcaption svg{width:16px;height:16px;color:var(--brand)}

/* ---------- 步骤条 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step}
.step{
  position:relative;
  padding:26px 24px 28px;
  border-radius:var(--r-md);
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.step:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.step:not(:last-child)::after{
  content:"";
  position:absolute;
  top:56px;
  right:-24px;
  width:24px;
  border-top:2px dashed rgba(198,255,74,.32);
}
.step-num{
  font-size:44px;
  font-weight:800;
  line-height:1;
  letter-spacing:-.03em;
  color:transparent;
  -webkit-text-stroke:1.5px rgba(198,255,74,.55);
  display:block;
  margin-bottom:16px;
}
.step h3{font-size:18px;font-weight:700;margin-bottom:10px}
.step p{font-size:14px;color:var(--text-2);line-height:1.8}
.step .step-tag{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:16px;
  padding:4px 10px;
  border-radius:var(--r-xs);
  font-size:12px;
  color:var(--accent);
  background:rgba(53,229,208,.09);
  border:1px solid rgba(53,229,208,.22);
}

/* ---------- 状态说明卡 ---------- */
.status-card{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:40px;
  padding:36px;
  border-radius:24px;
  background:
    linear-gradient(150deg,rgba(22,34,58,.96),rgba(17,27,45,.96));
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
}
.status-card h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3}
.status-card .lead{margin-top:12px;font-size:14px;color:var(--text-2);line-height:1.8}
.terms{margin-top:24px;display:flex;flex-direction:column;gap:14px}
.terms li{
  display:flex;gap:12px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.75;
  padding-bottom:14px;
  border-bottom:1px solid rgba(140,170,220,.1);
}
.terms li:last-child{border-bottom:none;padding-bottom:0}
.terms li svg{width:18px;height:18px;margin-top:3px;color:var(--brand)}
.terms li b{color:var(--text);font-weight:600}

.status-side{display:flex;flex-direction:column;gap:18px}
.status-thumb{
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--panel-2);
  aspect-ratio:4/3;
}
.status-thumb img{width:100%;height:100%;object-fit:cover}
.status-actions{display:flex;flex-direction:column;gap:12px}
.status-actions .btn{width:100%}
.status-note{
  font-size:12px;
  color:var(--text-3);
  line-height:1.7;
  padding:12px 14px;
  border-radius:12px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
}

/* ---------- 核对清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.check-item{
  padding:22px 20px;
  border-radius:var(--r-md);
  background:var(--panel);
  border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease;
}
.check-item:hover{transform:translateY(-3px);border-color:var(--line-strong)}
.check-icon{
  width:40px;height:40px;
  border-radius:12px;
  display:grid;place-items:center;
  background:rgba(53,229,208,.1);
  border:1px solid rgba(53,229,208,.24);
  color:var(--accent);
  margin-bottom:14px;
}
.check-icon svg{width:20px;height:20px}
.check-item h3{font-size:16px;font-weight:600;margin-bottom:8px}
.check-item p{font-size:13.5px;color:var(--text-2);line-height:1.75}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  border-radius:var(--r-sm);
  background:var(--panel);
  border:1px solid var(--line);
  margin-bottom:12px;
  overflow:hidden;
  transition:background .2s ease,border-color .2s ease;
}
.faq-item.open{background:var(--panel-2);border-color:rgba(198,255,74,.28)}
.faq-q{
  width:100%;
  display:flex;align-items:center;gap:14px;
  padding:18px 22px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  position:relative;
}
.faq-q .idx{font-size:12px;color:var(--text-3);letter-spacing:.06em;font-weight:400}
.faq-q .txt{flex:1}
.faq-q .plus{
  width:20px;height:20px;
  color:var(--text-2);
  transition:transform .25s ease,color .25s ease;
}
.faq-item.open .faq-q .plus{transform:rotate(45deg);color:var(--brand)}
.faq-a{
  display:none;
  padding:0 22px 20px 58px;
  font-size:14px;
  line-height:1.85;
  color:var(--text-2);
  border-left:3px solid transparent;
}
.faq-item.open .faq-a{display:block;border-left-color:var(--brand);margin-left:22px;padding-left:20px}

/* ---------- CTA 带 ---------- */
.cta-band{
  display:grid;
  grid-template-columns:1fr auto;
  gap:32px;
  align-items:center;
  padding:40px;
  border-radius:24px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 30px 60px -40px rgba(0,0,0,1);
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3}
.cta-band p{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.8;max-width:600px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.qr-box{
  width:120px;height:120px;
  border-radius:16px;
  background:var(--panel-2);
  border:1px solid var(--line);
  display:grid;place-items:center;
  position:relative;
  flex-shrink:0;
}
.qr-box span{font-size:12px;color:var(--text-3);letter-spacing:.08em}
.qr-box::before,.qr-box::after{
  content:"";position:absolute;width:16px;height:16px;border:2px solid var(--brand);border-radius:3px;
}
.qr-box::before{top:10px;left:10px;border-right:none;border-bottom:none}
.qr-box::after{bottom:10px;right:10px;border-left:none;border-top:none}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:72px;
  background:var(--panel-2);
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(198,255,74,.3),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding:56px 0 40px;
}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--text-2);line-height:1.8;max-width:280px}
.footer-qr{
  margin-top:20px;
  width:96px;height:96px;
  border-radius:12px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  display:grid;place-items:center;
  font-size:12px;
  color:var(--text-3);
  letter-spacing:.06em;
}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;letter-spacing:.02em}
.footer-col li{margin-bottom:10px;font-size:14px;color:var(--text-3);line-height:1.7}
.footer-col a{color:var(--text-2);font-size:14px;display:inline-block;transition:transform .2s ease,color .2s ease}
.footer-col a:hover{color:#fff;transform:translateX(-2px)}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:16px;
  font-size:12px;
  color:var(--text-3);
  letter-spacing:.04em;
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease-out,transform .4s ease-out}
.reveal.in{opacity:1;transform:none}

/* ---------- 断点 ---------- */
@media (max-width:1180px){
  .nav-item{padding:8px;font-size:12.5px;gap:5px}
  .nav-item svg{width:16px;height:16px}
  .brand-text span{font-size:10.5px}
}
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-actions .btn-ghost{display:none}
  .nav-toggle{display:grid}
  .nav-shell{position:relative}
  .site-header{padding:0 18px}
  .page-hero{padding-top:24px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-banner{aspect-ratio:16/9}
  .status-card{grid-template-columns:1fr;padding:28px}
  .check-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr;gap:18px}
  .step:not(:last-child)::after{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;padding:32px;text-align:left}
  .qr-box{margin:0 auto}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .section-tight{padding:36px 0}
  .nav-actions .btn-primary{padding:10px 16px;font-size:13px}
  .page-hero h1{font-size:clamp(26px,7vw,34px)}
  .hero-meta{gap:20px}
  .hero-meta b{font-size:19px}
  .status-card{padding:22px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-item.open .faq-a{margin-left:0;padding-left:18px}
  .footer-bottom{flex-direction:column;align-items:center;text-align:center;font-size:11.5px}
  .mobile-panel{left:18px;right:18px}
}
@media (max-width:520px){
  .hero-actions .btn,.status-actions .btn,.cta-actions .btn{width:100%}
  .check-grid{grid-template-columns:1fr}
  .mobile-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-meta{flex-direction:column;gap:16px}
  .brand-text span{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --ink-900:#070C16;
  --ink-800:#0B1220;
  --panel:#111B2D;
  --panel-2:#16223A;
  --line:rgba(140,170,220,.14);
  --line-strong:rgba(198,255,74,.42);
  --brand:#C6FF4A;
  --brand-deep:#9BE01F;
  --accent:#35E5D0;
  --warm:#FF7A50;
  --text:#EAF0FA;
  --text-2:#A7B4CC;
  --text-3:#6E7D96;
  --glass:rgba(255,255,255,.05);
  --glass-line:rgba(255,255,255,.08);
  --danger:#FF5C5C;
  --r-card:18px;
  --r-lg:20px;
  --r-sm:12px;
  --r-badge:8px;
  --shadow-card:0 14px 34px -22px rgba(0,0,0,.9);
  --shadow-glow:0 0 0 1px rgba(198,255,74,.45),0 10px 30px -10px rgba(198,255,74,.45);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-800);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,figure,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
a{color:var(--accent);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);}
img{max-width:100%;display:block;}
button{font-family:inherit;font-size:inherit;color:inherit;background:none;border:none;cursor:pointer;}
svg{display:block;}
::selection{background:rgba(198,255,74,.28);color:#fff;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{position:sticky;top:12px;z-index:80;padding:0 24px;}
.header-inner{
  max-width:var(--container);
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:var(--sp-4);
  padding:10px 14px;
  border-radius:var(--r-lg);
  background:rgba(17,27,45,.78);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid var(--glass-line);
  box-shadow:0 18px 40px -28px rgba(0,0,0,.95);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,rgba(198,255,74,.22),rgba(53,229,208,.12));
  border:1px solid var(--line-strong);
  color:var(--brand);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:.01em;}
.brand-text span{font-size:12px;color:var(--text-2);letter-spacing:.08em;}

.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-item{
  display:flex;align-items:center;gap:6px;
  padding:8px 10px;border-radius:12px;
  font-size:13px;color:var(--text-2);
  border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
  white-space:nowrap;
}
.nav-item svg{width:17px;height:17px;flex:0 0 17px;color:var(--accent);transition:color .2s ease;}
.nav-item:hover{color:var(--text);background:rgba(255,255,255,.06);transform:translateY(-2px);}
.nav-item:hover svg{color:var(--brand);}
.nav-item.active{
  color:var(--text);
  border-color:var(--line-strong);
  background:rgba(198,255,74,.10);
}
.nav-item.active svg{color:var(--brand);}

.header-cta{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-size:15px;font-weight:600;
  padding:11px 22px;line-height:1.2;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  cursor:pointer;
}
.btn svg{width:18px;height:18px;}
.btn-primary{background:var(--brand);color:#0A1220;box-shadow:var(--shadow-glow);}
.btn-primary:hover{background:var(--brand-deep);color:#0A1220;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(198,255,74,.55),0 14px 32px -12px rgba(198,255,74,.5);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(198,255,74,.35);}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line);}
.btn-ghost:hover{color:var(--text);border-color:var(--line-strong);background:rgba(198,255,74,.08);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:8px 16px;font-size:13px;}
.btn-block{width:100%;}

.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;flex:0 0 44px;
  border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  align-items:center;justify-content:center;color:var(--text);
}
.nav-toggle svg{width:22px;height:22px;}

/* ---------- page head ---------- */
.page-head{padding:var(--sp-8) 0 var(--sp-7);}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);letter-spacing:.04em;margin-bottom:var(--sp-5);}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:rgba(110,125,150,.6);}
.crumbs .current{color:var(--text-2);}

.head-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:var(--sp-6);align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-badge);
  font-size:12px;letter-spacing:.06em;color:var(--brand);
  border:1px solid var(--line-strong);
  background:rgba(198,255,74,.08);
  margin-bottom:var(--sp-4);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 10px var(--brand);}
h1{
  font-size:clamp(30px,4.4vw,48px);
  font-weight:800;line-height:1.16;letter-spacing:-.01em;
  margin-bottom:var(--sp-4);
}
h1 em{font-style:normal;color:var(--brand);}
.lead{font-size:16px;line-height:1.8;color:var(--text-2);max-width:34em;}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:var(--sp-5);}

.banner{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--panel);
  box-shadow:var(--shadow-card);
  aspect-ratio:16/10;
}
.banner img{width:100%;height:100%;object-fit:cover;opacity:.82;}
.banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,22,.15),rgba(7,12,22,.82));
}
.banner-tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
  display:flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  font-size:12px;color:var(--text);
  background:rgba(7,12,22,.72);
  border:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
}
.banner-tag svg{width:15px;height:15px;color:var(--brand);}

/* ---------- sections ---------- */
.section{padding:var(--sp-8) 0;}
.section-alt{background:var(--ink-900);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-4);margin-bottom:var(--sp-6);flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,2.8vw,32px);font-weight:700;line-height:1.25;}
.section-head p{font-size:14px;color:var(--text-3);margin-top:8px;letter-spacing:.02em;}
.section-link{font-size:14px;display:inline-flex;align-items:center;gap:6px;color:var(--accent);}
.section-link svg{width:16px;height:16px;transition:transform .2s ease;}
.section-link:hover svg{transform:translateX(3px);}

/* device cards */
.device-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-5);}
.device-card{
  position:relative;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 22px 22px;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.device-card:hover{transform:translateY(-3px);border-color:var(--line-strong);}
.device-icon{
  width:46px;height:46px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(53,229,208,.10);
  border:1px solid rgba(53,229,208,.30);
  color:var(--accent);margin-bottom:16px;
}
.device-icon svg{width:24px;height:24px;}
.device-card h3{font-size:19px;font-weight:600;margin-bottom:8px;}
.device-card p{font-size:14px;color:var(--text-2);line-height:1.75;}
.device-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;padding-top:16px;border-top:1px solid var(--line);}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:var(--r-badge);
  font-size:12px;letter-spacing:.03em;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text-2);
}
.tag-brand{background:rgba(198,255,74,.12);border-color:rgba(198,255,74,.34);color:var(--brand);}
.tag-accent{background:rgba(53,229,208,.10);border-color:rgba(53,229,208,.30);color:var(--accent);}
.tag-warm{background:rgba(255,122,80,.12);border-color:rgba(255,122,80,.32);color:var(--warm);}

/* table */
.table-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table{width:100%;border-collapse:collapse;min-width:640px;}
thead th{
  background:var(--panel-2);
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--text-2);text-align:left;
  padding:14px 20px;border-bottom:1px solid var(--line);
  white-space:nowrap;
}
thead th:last-child{text-align:right;}
tbody td{
  padding:16px 20px;font-size:14.5px;color:var(--text);
  border-bottom:1px solid var(--line);
  vertical-align:middle;
}
tbody tr:last-child td{border-bottom:none;}
tbody tr{transition:background .18s ease;}
tbody tr:hover{background:rgba(255,255,255,.03);}
tbody td:first-child{color:var(--text-2);white-space:nowrap;}
tbody td.num{text-align:right;color:var(--text-2);font-variant-numeric:tabular-nums;}
td .ok{display:inline-flex;align-items:center;justify-content:flex-end;gap:6px;color:var(--brand);font-size:13.5px;}
td .ok svg{width:17px;height:17px;}
td .na{display:inline-flex;align-items:center;justify-content:flex-end;gap:6px;color:var(--text-3);font-size:13.5px;}
td .na svg{width:17px;height:17px;}
thead th:last-child,tbody td:last-child{text-align:right;}

/* split */
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:var(--sp-7);align-items:center;}
.split h2{font-size:clamp(22px,2.8vw,32px);font-weight:700;line-height:1.28;margin-bottom:var(--sp-4);}
.split p{font-size:15.5px;color:var(--text-2);line-height:1.85;margin-bottom:14px;}
.check-list{margin-top:var(--sp-5);display:grid;gap:14px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--text);line-height:1.7;}
.check-list li svg{width:20px;height:20px;flex:0 0 20px;color:var(--brand);margin-top:2px;}
.check-list li span{color:var(--text-2);}
.split-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--panel);
  box-shadow:var(--shadow-card);aspect-ratio:4/5;
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-media figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:36px 20px 16px;font-size:12.5px;color:var(--text-2);
  background:linear-gradient(180deg,transparent,rgba(7,12,22,.92));
}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-5);counter-reset:step;}
.step{
  position:relative;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 22px 24px;
  transition:transform .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-3px);border-color:var(--line-strong);}
.step-num{
  font-size:44px;font-weight:800;line-height:1;
  color:transparent;
  -webkit-text-stroke:1.4px rgba(198,255,74,.55);
  margin-bottom:14px;
  letter-spacing:.02em;
}
.step h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.step p{font-size:14px;color:var(--text-2);line-height:1.75;}
.step + .step::before{
  content:"";position:absolute;left:-24px;top:52px;
  width:24px;border-top:1px dashed rgba(140,170,220,.34);
}

/* faq */
.faq{max-width:860px;margin:0 auto;display:grid;gap:12px;}
.faq-item{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  transition:background .2s ease,border-color .2s ease;
}
.faq-item.open{background:var(--panel-2);border-color:rgba(198,255,74,.30);}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:18px 22px;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);
  position:relative;
}
.faq-q .idx{font-size:12px;color:var(--text-3);letter-spacing:.08em;flex:0 0 auto;}
.faq-q .q-text{flex:1;}
.faq-q .plus{
  width:22px;height:22px;flex:0 0 22px;color:var(--text-2);
  transition:transform .25s ease,color .25s ease;
}
.faq-item.open .faq-q .plus{transform:rotate(45deg);color:var(--brand);}
.faq-item.open .faq-q{color:var(--brand);}
.faq-item.open::before{content:"";position:absolute;left:0;width:3px;background:var(--brand);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a-inner{padding:0 22px 20px 60px;font-size:14px;line-height:1.85;color:var(--text-2);}
.faq-item.open .faq-a{max-height:420px;}
.faq-item.open{position:relative;}

/* cta band */
.cta-band{
  border-radius:24px;
  padding:40px;
  display:flex;align-items:center;gap:var(--sp-6);
  background:
    linear-gradient(135deg,rgba(198,255,74,.10),rgba(53,229,208,.06)),
    rgba(255,255,255,.05);
  border:1px solid var(--glass-line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:0 20px 50px -34px rgba(0,0,0,.95);
}
.cta-band .cta-text{flex:1;min-width:0;}
.cta-band h2{font-size:clamp(21px,2.5vw,30px);font-weight:700;line-height:1.3;margin-bottom:10px;}
.cta-band p{font-size:14px;color:var(--text-2);line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:var(--sp-5);}
.qr-box{
  width:120px;height:120px;flex:0 0 120px;
  border-radius:16px;background:var(--panel-2);
  border:1px solid var(--line);
  position:relative;display:flex;align-items:flex-end;justify-content:center;
  padding-bottom:10px;font-size:12px;color:var(--text-3);letter-spacing:.06em;
}
.qr-box::before,.qr-box::after{
  content:"";position:absolute;width:18px;height:18px;
  border:2px solid rgba(198,255,74,.6);
}
.qr-box::before{top:12px;left:12px;border-right:none;border-bottom:none;border-radius:4px 0 0 0;}
.qr-box::after{bottom:30px;right:12px;border-left:none;border-top:none;border-radius:0 0 4px 0;}

/* footer */
.site-footer{
  background:var(--panel-2);
  margin-top:var(--sp-9);
  position:relative;
  padding:var(--sp-8) 0 var(--sp-5);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(198,255,74,.32),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.35fr 1fr 1fr 1.1fr;gap:var(--sp-6);}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.8;max-width:26em;}
.footer-qr{
  margin-top:18px;width:96px;height:96px;border-radius:12px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  display:flex;align-items:flex-end;justify-content:center;
  padding-bottom:8px;font-size:11px;color:var(--text-3);letter-spacing:.06em;
}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col li{font-size:14px;color:var(--text-3);line-height:1.7;}
.footer-col a{color:var(--text-3);display:inline-block;transition:color .2s ease,transform .2s ease;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  margin-top:var(--sp-7);padding-top:var(--sp-5);
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12px;color:var(--text-3);letter-spacing:.03em;
}

/* reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease-out,transform .4s ease-out;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
  .reveal{opacity:1;transform:none;}
}

/* ---------- responsive ---------- */
@media (max-width:1120px){
  .nav-item{padding:8px;font-size:12.5px;}
  .nav-item span{display:none;}
  .nav-item svg{width:19px;height:19px;flex:0 0 19px;}
  .header-cta .btn-ghost{display:none;}
}
@media (max-width:1023px){
  .site-header{padding:0 18px;}
  .nav-toggle{display:flex;}
  .nav-links{
    position:absolute;left:18px;right:18px;top:calc(100% + 10px);
    margin-left:0;
    display:none;
    grid-template-columns:1fr 1fr;
    gap:8px;
    padding:14px;
    border-radius:var(--r-lg);
    background:rgba(11,18,32,.96);
    border:1px solid var(--glass-line);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    box-shadow:0 26px 60px -30px rgba(0,0,0,1);
  }
  .nav-links.open{display:grid;}
  .nav-item{
    flex-direction:column;align-items:flex-start;gap:6px;
    padding:12px 14px;font-size:13.5px;
    background:rgba(255,255,255,.04);
    border:1px solid var(--line);
    border-radius:14px;
  }
  .nav-item span{display:inline;}
  .nav-item svg{width:20px;height:20px;flex:0 0 20px;}
  .header-cta{display:none;}
  .head-grid{grid-template-columns:1fr;gap:var(--sp-6);}
  .split{grid-template-columns:1fr;gap:var(--sp-6);}
  .split-media{max-width:440px;}
  .device-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .steps{grid-template-columns:1fr;}
  .step + .step::before{display:none;}
  .section{padding:64px 0;}
  .page-head{padding:56px 0 40px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .device-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 22px;}
  .qr-box{width:96px;height:96px;flex:0 0 96px;align-self:center;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-5);}
  .section{padding:48px 0;}
  .faq-a-inner{padding-left:22px;}
  .site-footer{margin-top:64px;padding-top:56px;}
}
@media (max-width:520px){
  .header-inner{padding:8px 10px;gap:8px;}
  .brand-text span{font-size:11px;letter-spacing:.05em;}
  .brand-text strong{font-size:15px;}
  .head-actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:center;text-align:center;}
  .banner{aspect-ratio:16/11;}
  .step-num{font-size:38px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
}

/* roulang page: category3 */
:root{
  --ink-900:#070C16;
  --ink-800:#0B1220;
  --panel:#111B2D;
  --panel-2:#16223A;
  --line:rgba(140,170,220,.14);
  --line-strong:rgba(198,255,74,.42);
  --brand:#C6FF4A;
  --brand-deep:#9BE01F;
  --accent:#35E5D0;
  --warm:#FF7A50;
  --t1:#EAF0FA;
  --t2:#A7B4CC;
  --t3:#6E7D96;
  --r-card:18px;
  --r-lg:20px;
  --r-sm:8px;
  --r-btn:999px;
  --shadow-card:0 14px 34px -22px rgba(0,0,0,.9);
  --shadow-glow:0 0 0 1px rgba(198,255,74,.45),0 10px 30px -10px rgba(198,255,74,.45);
  --glass:rgba(255,255,255,.05);
  --glass-line:rgba(255,255,255,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:
    radial-gradient(1200px 600px at 12% -10%,rgba(53,229,208,.06),transparent 60%),
    linear-gradient(180deg,var(--ink-900) 0%,var(--ink-800) 42%,#080F1B 100%);
  color:var(--t1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:12px;
  z-index:80;
  padding:0 24px;
}
.nav-shell{
  max-width:1200px;
  margin:0 auto;
  min-height:68px;
  display:flex;
  align-items:center;
  gap:14px;
  padding:10px 14px 10px 16px;
  border-radius:var(--r-lg);
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 20px 44px -34px rgba(0,0,0,.95);
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:36px;
  height:36px;
  display:grid;
  place-items:center;
  border-radius:11px;
  background:linear-gradient(150deg,rgba(198,255,74,.22),rgba(53,229,208,.14));
  border:1px solid rgba(198,255,74,.32);
  color:var(--brand);
  flex-shrink:0;
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:.01em;}
.brand-text span{font-size:11px;color:var(--t3);letter-spacing:.08em;}

.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1;
  justify-content:center;
  min-width:0;
}
.nav-item{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 9px;
  border-radius:12px;
  font-size:13px;
  color:var(--t2);
  border:1px solid transparent;
  white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.nav-item svg{width:18px;height:18px;flex-shrink:0;color:var(--accent);}
.nav-item:hover{color:var(--t1);background:rgba(255,255,255,.06);transform:translateY(-2px);}
.nav-item.active{
  color:var(--brand);
  background:rgba(198,255,74,.09);
  border-color:rgba(198,255,74,.36);
}
.nav-item.active svg{color:var(--brand);}

.nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:7px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  padding:10px 20px;
  transition:transform .2s var(--ease),box-shadow .25s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  white-space:nowrap;
}
.btn svg{width:18px;height:18px;}
.btn-primary{
  background:linear-gradient(180deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#0A1220;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(198,255,74,.6),0 16px 34px -12px rgba(198,255,74,.55);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(198,255,74,.4),0 6px 16px -8px rgba(198,255,74,.4);}
.btn-ghost{
  color:var(--t2);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
}
.btn-ghost:hover{color:var(--t1);border-color:var(--line-strong);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{padding:7px 14px;font-size:13px;}

.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--t1);
  place-items:center;
}
.nav-toggle svg{width:22px;height:22px;}

.mobile-panel{
  display:none;
  max-width:1200px;
  margin:10px auto 0;
  padding:14px;
  border-radius:var(--r-lg);
  background:rgba(11,18,32,.94);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 26px 54px -30px rgba(0,0,0,.95);
}
.mobile-panel.open{display:block;}
.m-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;}
.m-card{
  display:flex;
  gap:9px;
  align-items:flex-start;
  padding:10px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.m-card:hover{border-color:var(--line-strong);background:rgba(198,255,74,.06);}
.m-card svg{width:18px;height:18px;color:var(--accent);flex-shrink:0;margin-top:3px;}
.m-card b{display:block;font-size:13px;font-weight:600;}
.m-card small{display:block;font-size:11px;color:var(--t3);line-height:1.5;}
.m-cta{margin-top:12px;display:flex;}
.m-cta .btn{width:100%;}

/* ============ 通用板块 ============ */
.section{padding:72px 0;}
.section + .section{padding-top:0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(22px,2.8vw,32px);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.005em;
}
.section-head p{font-size:14px;color:var(--t3);margin-top:8px;}
.head-link{
  font-size:14px;
  color:var(--accent);
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:gap .2s var(--ease),color .2s var(--ease);
}
.head-link:hover{gap:10px;color:var(--brand);}
.head-link svg{width:16px;height:16px;}
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(140,170,220,.22),transparent);}

/* ============ 页面头 ============ */
.page-head{padding:52px 0 20px;}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  color:var(--t3);
  letter-spacing:.04em;
  margin-bottom:22px;
  flex-wrap:wrap;
}
.crumb a{color:var(--t3);transition:color .2s var(--ease);}
.crumb a:hover{color:var(--brand);}
.crumb span.sep{color:rgba(110,125,150,.6);}

.head-grid{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:34px;
  align-items:center;
}
.badge-line{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 12px;
  border-radius:var(--r-sm);
  border:1px solid rgba(198,255,74,.38);
  background:rgba(198,255,74,.07);
  color:var(--brand);
  font-size:12px;
  letter-spacing:.06em;
  margin-bottom:18px;
}
.badge-line svg{width:14px;height:14px;}
.page-head h1{
  font-size:clamp(28px,4vw,46px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.01em;
}
.page-head .lead{
  margin-top:16px;
  font-size:16px;
  color:var(--t2);
  max-width:34em;
  line-height:1.8;
}
.head-actions{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap;}

.banner{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  min-height:212px;
  border:1px solid var(--line);
  background:var(--panel);
  box-shadow:var(--shadow-card);
}
.banner img{
  width:100%;
  height:100%;
  min-height:212px;
  object-fit:cover;
  aspect-ratio:16/9;
}
.banner::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(7,12,22,.35) 0%,rgba(7,12,22,.82) 100%);
}
.banner-tag{
  position:absolute;
  left:16px;
  bottom:14px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 13px;
  border-radius:var(--r-sm);
  background:rgba(7,12,22,.72);
  border:1px solid rgba(198,255,74,.32);
  font-size:12px;
  color:var(--brand);
  letter-spacing:.04em;
}

/* ============ 筛选 chips ============ */
.chip-row{
  display:flex;
  gap:9px;
  flex-wrap:wrap;
  margin-bottom:28px;
}
.chip{
  padding:7px 15px;
  border-radius:var(--r-btn);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--t2);
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.chip:hover{color:var(--t1);border-color:rgba(198,255,74,.35);transform:translateY(-2px);}
.chip.is-on{
  background:var(--brand);
  border-color:var(--brand);
  color:#0A1220;
  font-weight:600;
}

/* ============ 竖屏片段瀑布 ============ */
.waterfall{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
  align-items:start;
}
.waterfall > *:nth-child(3n+2){margin-top:30px;}

.clip-card{
  position:relative;
  display:block;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--panel);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  transition:transform .28s var(--ease),border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.clip-card:hover{
  transform:translateY(-6px);
  border-color:var(--line-strong);
  box-shadow:0 24px 46px -26px rgba(0,0,0,.95),0 0 0 1px rgba(198,255,74,.28);
}
.clip-media{
  position:relative;
  width:100%;
  overflow:hidden;
  background:linear-gradient(150deg,#152036,#0C1526);
}
.clip-media img{width:100%;height:100%;object-fit:cover;}
.ratio-45 .clip-media{aspect-ratio:4/5;}
.ratio-916 .clip-media{aspect-ratio:9/16;}
.clip-media::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:120px;
  background:linear-gradient(180deg,rgba(7,12,22,0) 0%,rgba(7,12,22,.92) 100%);
}
.media-badge{
  position:absolute;
  z-index:2;
  font-size:12px;
  padding:4px 9px;
  border-radius:var(--r-sm);
  letter-spacing:.04em;
}
.media-badge.tl{left:12px;top:12px;background:rgba(7,12,22,.76);border:1px solid var(--line);color:var(--t2);}
.media-badge.tr{right:12px;top:12px;background:rgba(255,122,80,.16);border:1px solid rgba(255,122,80,.5);color:var(--warm);font-weight:600;}
.clip-body{padding:16px 16px 18px;}
.clip-body h3{
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.clip-body p{
  margin-top:8px;
  font-size:13px;
  color:var(--t3);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.tag-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px;}
.tag{
  font-size:11px;
  letter-spacing:.04em;
  padding:3px 9px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  color:var(--t3);
  background:rgba(255,255,255,.03);
}
.tag.hot{color:var(--warm);border-color:rgba(255,122,80,.4);background:rgba(255,122,80,.1);}
.tag.cy{color:var(--accent);border-color:rgba(53,229,208,.36);background:rgba(53,229,208,.08);}

/* ============ 清单行卡 ============ */
.rank-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 32px;}
.rank-item{
  display:grid;
  grid-template-columns:auto 64px 1fr auto;
  align-items:center;
  gap:14px;
  padding:18px 0;
  border-bottom:1px solid var(--line);
}
.rank-item:nth-child(even){margin-top:24px;}
.rank-num{
  font-size:40px;
  font-weight:800;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1px rgba(198,255,74,.42);
  font-variant-numeric:tabular-nums;
  min-width:46px;
}
.rank-thumb{
  width:64px;
  height:64px;
  border-radius:14px;
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--panel-2);
}
.rank-thumb img{width:100%;height:100%;object-fit:cover;}
.rank-info h3{font-size:15px;font-weight:600;line-height:1.5;}
.rank-info p{font-size:13px;color:var(--t3);margin-top:4px;line-height:1.6;}
.rank-btn{
  font-size:13px;
  padding:6px 14px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  color:var(--t2);
  white-space:nowrap;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.rank-btn:hover{color:var(--brand);border-color:var(--line-strong);background:rgba(198,255,74,.07);transform:translateY(-2px);}

/* ============ 口碑条 ============ */
.voice-wrap{position:relative;}
.score-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border-radius:var(--r-sm);
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  font-size:13px;
  color:var(--t2);
}
.score-pill b{color:var(--brand);font-size:15px;font-weight:800;}
.voice-strip{
  display:flex;
  gap:16px;
  overflow-x:auto;
  padding:4px 4px 14px;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;
}
.voice-strip::-webkit-scrollbar{display:none;}
.voice-card{
  flex:0 0 300px;
  scroll-snap-align:start;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px;
  box-shadow:var(--shadow-card);
  transition:transform .25s var(--ease),border-color .25s var(--ease);
}
.voice-card:hover{transform:translateY(-3px);border-color:rgba(198,255,74,.3);}
.voice-top{display:flex;align-items:center;gap:10px;}
.avatar{
  width:40px;
  height:40px;
  border-radius:50%;
  display:grid;
  place-items:center;
  font-size:15px;
  font-weight:700;
  color:#0A1220;
  flex-shrink:0;
}
.avatar.a1{background:linear-gradient(150deg,#C6FF4A,#9BE01F);}
.avatar.a2{background:linear-gradient(150deg,#35E5D0,#1FB6A6);}
.avatar.a3{background:linear-gradient(150deg,#FF9A73,#FF7A50);}
.voice-name{font-size:14px;font-weight:600;}
.voice-time{font-size:12px;color:var(--t3);}
.stars{display:flex;gap:3px;margin-top:12px;color:var(--brand);}
.stars svg{width:15px;height:15px;}
.voice-body{
  margin-top:10px;
  font-size:14px;
  line-height:1.7;
  color:var(--t2);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;
  border-radius:24px;
  padding:40px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  display:grid;
  grid-template-columns:1fr auto;
  gap:32px;
  align-items:center;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(120deg,rgba(198,255,74,.08),transparent 46%),
    radial-gradient(600px 220px at 88% 10%,rgba(53,229,208,.1),transparent 70%);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{font-size:clamp(20px,2.4vw,28px);font-weight:700;line-height:1.3;}
.cta-band p{margin-top:10px;font-size:14px;color:var(--t2);max-width:36em;}
.cta-actions{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap;}
.qr-box{
  width:120px;
  height:120px;
  border-radius:16px;
  background:var(--panel-2);
  border:1px solid var(--line);
  display:grid;
  place-items:center;
  position:relative;
  font-size:12px;
  color:var(--t3);
  letter-spacing:.06em;
}
.qr-box i{
  position:absolute;
  width:16px;
  height:16px;
  border:2px solid rgba(198,255,74,.55);
}
.qr-box i.tl{left:10px;top:10px;border-right:0;border-bottom:0;border-radius:4px 0 0 0;}
.qr-box i.tr{right:10px;top:10px;border-left:0;border-bottom:0;border-radius:0 4px 0 0;}
.qr-box i.bl{left:10px;bottom:10px;border-right:0;border-top:0;border-radius:0 0 0 4px;}
.qr-box i.br{right:10px;bottom:10px;border-left:0;border-top:0;border-radius:0 0 4px 0;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:72px;
  background:var(--panel-2);
  border-top:1px solid transparent;
  position:relative;
  padding:56px 0 24px;
}
.site-footer::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(198,255,74,.3),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;
}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand p{font-size:14px;color:var(--t3);line-height:1.8;max-width:22em;}
.footer-qr{
  margin-top:18px;
  width:92px;
  height:92px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(7,12,22,.5);
  display:grid;
  place-items:center;
  font-size:11px;
  color:var(--t3);
  letter-spacing:.06em;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:var(--t1);
  margin-bottom:14px;
  letter-spacing:.02em;
}
.footer-col li{
  font-size:14px;
  color:var(--t3);
  line-height:1.9;
}
.footer-col li a{
  color:var(--t3);
  transition:color .2s var(--ease),transform .2s var(--ease);
  display:inline-block;
}
.footer-col li a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid rgba(140,170,220,.1);
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:12px;
  color:var(--t3);
  letter-spacing:.03em;
}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease-out,transform .4s ease-out;}
.reveal.in{opacity:1;transform:none;}
.dragging{cursor:grabbing;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .waterfall{grid-template-columns:repeat(3,minmax(0,1fr));}
  .rank-num{font-size:34px;min-width:40px;}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:grid;}
  .nav-actions .btn-ghost{display:none;}
  .head-grid{grid-template-columns:1fr;gap:26px;}
  .waterfall{grid-template-columns:repeat(2,minmax(0,1fr));}
  .waterfall > *:nth-child(3n+2){margin-top:0;}
  .waterfall > *:nth-child(2n){margin-top:26px;}
  .rank-list{grid-template-columns:1fr;}
  .rank-item:nth-child(even){margin-top:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .section{padding:56px 0;}
  .cta-band{padding:32px;grid-template-columns:1fr;}
  .qr-box{width:96px;height:96px;justify-self:center;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .site-header{padding:0 18px;top:10px;}
  .page-head{padding:38px 0 12px;}
  .page-head .lead{font-size:15px;}
  .head-actions .btn{flex:1 1 auto;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:22px;}
  .waterfall{grid-template-columns:1fr;gap:16px;}
  .waterfall > *:nth-child(2n){margin-top:0;}
  .rank-item{grid-template-columns:auto 56px 1fr;gap:12px;}
  .rank-thumb{width:56px;height:56px;}
  .rank-btn{grid-column:2 / -1;justify-self:start;margin-top:4px;}
  .voice-card{flex:0 0 268px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-bottom{justify-content:flex-start;}
  .banner img{min-height:180px;}
}
@media (max-width:520px){
  .nav-shell{gap:8px;padding:8px 10px 8px 12px;}
  .brand-text strong{font-size:15px;}
  .brand-text span{font-size:10px;}
  .nav-actions .btn-primary{padding:9px 14px;font-size:13px;}
  .waterfall{
    display:grid;
    grid-auto-flow:column;
    grid-auto-columns:78%;
    grid-template-columns:none;
    overflow-x:auto;
    scroll-snap-type:x mandatory;
    gap:14px;
    padding-bottom:10px;
    scrollbar-width:none;
  }
  .waterfall::-webkit-scrollbar{display:none;}
  .waterfall > *{margin-top:0 !important;scroll-snap-align:start;}
  .head-actions{flex-direction:column;align-items:stretch;}
  .head-actions .btn{width:100%;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .m-grid{grid-template-columns:1fr;}
  .cta-band{padding:24px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category4 */
:root{
  --ink-900:#070C16;
  --ink-800:#0B1220;
  --panel:#111B2D;
  --panel-2:#16223A;
  --line:rgba(140,170,220,.14);
  --line-strong:rgba(198,255,74,.42);
  --brand:#C6FF4A;
  --brand-deep:#9BE01F;
  --accent:#35E5D0;
  --warm:#FF7A50;
  --text:#EAF0FA;
  --text-2:#A7B4CC;
  --text-3:#6E7D96;
  --r-card:18px;
  --r-screen:20px;
  --r-nav:20px;
  --r-badge:8px;
  --r-pill:999px;
  --r-input:12px;
  --shadow-card:0 14px 34px -22px rgba(0,0,0,.9);
  --shadow-glow:0 0 0 1px rgba(198,255,74,.45),0 10px 30px -10px rgba(198,255,74,.45);
  --glass:rgba(255,255,255,.05);
  --glass-line:1px solid rgba(255,255,255,.08);
  --sp-1:4px; --sp-2:8px; --sp-3:12px; --sp-4:16px; --sp-5:24px; --sp-6:32px; --sp-7:48px; --sp-8:64px; --sp-9:96px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--ink-800);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .18s ease,opacity .18s ease;}
img{max-width:100%;display:block;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,textarea{font:inherit;color:inherit;}
svg{display:block;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;
  top:12px;
  z-index:60;
  padding:0 24px;
}
.nav-shell{
  max-width:var(--container);
  margin:0 auto;
  min-height:68px;
  display:flex;
  align-items:center;
  gap:var(--sp-4);
  padding:10px 16px;
  border-radius:var(--r-nav);
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:var(--glass-line);
  box-shadow:0 18px 40px -32px rgba(0,0,0,.95);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;
  display:grid;place-items:center;
  border-radius:11px;
  color:var(--brand);
  background:linear-gradient(150deg,rgba(198,255,74,.18),rgba(53,229,208,.08));
  border:1px solid var(--line-strong);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:16px;font-weight:800;letter-spacing:.02em;}
.brand-text span{font-size:11px;color:var(--text-3);letter-spacing:.08em;margin-top:3px;}

.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
  flex-wrap:nowrap;
}
.nav-item{
  display:flex;
  align-items:center;
  gap:8px;
  padding:8px 10px;
  border-radius:12px;
  font-size:13px;
  color:var(--text-2);
  border:1px solid transparent;
  white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.nav-item svg{width:18px;height:18px;flex:0 0 18px;color:var(--accent);}
.nav-item:hover{background:rgba(255,255,255,.06);color:var(--text);transform:translateY(-2px);border-color:var(--line);}
.nav-item.active{
  color:var(--text);
  border-color:var(--line-strong);
  background:rgba(198,255,74,.10);
}
.nav-item.active svg{color:var(--brand);}

.nav-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--text);
  place-items:center;
  background:rgba(255,255,255,.04);
}
.nav-toggle svg{width:20px;height:20px;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  padding:12px 24px;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
  cursor:pointer;
  text-align:center;
}
.btn svg{width:18px;height:18px;}
.btn-primary{
  background:var(--brand);
  color:#0A1220;
  box-shadow:var(--shadow-glow);
}
.btn-primary:hover{background:#D4FF73;transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(198,255,74,.35);}
.btn-ghost{
  background:transparent;
  color:var(--text);
  border-color:var(--line);
}
.btn-ghost:hover{border-color:var(--line-strong);color:var(--brand);transform:translateY(-2px);}
.btn-sm{padding:9px 16px;font-size:13px;}

.nav-drawer{
  display:none;
  max-width:var(--container);
  margin:10px auto 0;
  padding:16px;
  border-radius:var(--r-nav);
  background:rgba(11,18,32,.94);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:var(--glass-line);
  box-shadow:0 24px 50px -30px rgba(0,0,0,.95);
}
.nav-drawer.open{display:block;}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.drawer-card{
  display:block;
  padding:12px;
  border-radius:14px;
  border:1px solid var(--line);
  background:var(--panel);
  transition:border-color .18s ease,transform .18s ease;
}
.drawer-card:hover{border-color:var(--line-strong);transform:translateY(-2px);}
.drawer-card strong{display:block;font-size:14px;margin-bottom:4px;}
.drawer-card span{display:block;font-size:12px;color:var(--text-3);line-height:1.5;}
.drawer-foot{margin-top:12px;display:grid;gap:8px;}
.drawer-foot .btn{width:100%;}

/* ---------- breadcrumb ---------- */
.crumb{padding:26px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;font-size:12px;color:var(--text-3);letter-spacing:.04em;}
.crumb li:not(:last-child)::after{content:"/";margin-left:8px;color:rgba(110,125,150,.7);}
.crumb a:hover{color:var(--brand);}
.crumb li[aria-current]{color:var(--text-2);}

/* ---------- page head ---------- */
.page-head{padding:28px 0 0;}
.page-head-grid{
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:var(--sp-6);
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--brand);
  border:1px solid var(--line-strong);
  border-radius:var(--r-badge);
  padding:5px 12px;
  background:rgba(198,255,74,.08);
}
.page-head h1{
  font-size:clamp(30px,4.4vw,52px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.01em;
  margin:16px 0 12px;
}
.page-head .lede{
  font-size:16px;
  color:var(--text-2);
  max-width:38em;
}
.banner{
  position:relative;
  border-radius:var(--r-screen);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--panel);
  aspect-ratio:16/7;
  min-height:200px;
}
.banner img{width:100%;height:100%;object-fit:cover;object-position:center;}
.banner::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(7,12,22,.82),rgba(7,12,22,.42));
}
.banner-tag{
  position:absolute;
  left:18px;bottom:16px;
  z-index:2;
  font-size:12px;
  letter-spacing:.06em;
  color:var(--text);
  background:rgba(7,12,22,.62);
  border:1px solid var(--line-strong);
  border-radius:var(--r-pill);
  padding:6px 14px;
}

/* ---------- sections ---------- */
.section{padding:var(--sp-8) 0;}
.section + .section{padding-top:0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(22px,2.8vw,34px);font-weight:700;line-height:1.25;}
.section-head p{font-size:14px;color:var(--text-3);margin-top:8px;}
.link-more{font-size:14px;color:var(--accent);display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}
.link-more svg{width:16px;height:16px;}

/* ---------- two column layout ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,1.85fr) minmax(0,1fr);
  gap:var(--sp-6);
  align-items:start;
}
.faq-groups{display:grid;gap:40px;}
.faq-group > h2{
  font-size:clamp(20px,2.4vw,26px);
  font-weight:700;
  line-height:1.3;
  padding-left:14px;
  position:relative;
  margin-bottom:6px;
}
.faq-group > h2::before{
  content:"";
  position:absolute;
  left:0;top:.28em;bottom:.28em;
  width:4px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--accent));
}
.faq-group > .group-note{font-size:13px;color:var(--text-3);margin:0 0 16px;padding-left:14px;}

.faq-list{display:grid;gap:12px;}
.faq-item{
  border-radius:14px;
  border:1px solid var(--line);
  background:var(--panel);
  overflow:hidden;
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.faq-item:hover{border-color:rgba(198,255,74,.3);}
.faq-item.open{border-color:var(--line-strong);background:var(--panel-2);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:12px;
  padding:18px 22px;
  text-align:left;
  position:relative;
}
.faq-q::before{
  content:"";
  position:absolute;
  left:0;top:14px;bottom:14px;
  width:3px;
  border-radius:0 3px 3px 0;
  background:var(--brand);
  opacity:0;
  transition:opacity .2s ease;
}
.faq-item.open .faq-q::before{opacity:1;}
.faq-idx{font-size:12px;letter-spacing:.06em;color:var(--text-3);flex:0 0 auto;}
.faq-t{font-size:16px;font-weight:600;line-height:1.5;flex:1;}
.faq-plus{
  width:20px;height:20px;flex:0 0 20px;
  color:var(--text-3);
  transition:transform .24s ease,color .24s ease;
}
.faq-item.open .faq-plus{transform:rotate(45deg);color:var(--brand);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease;}
.faq-a > div{overflow:hidden;}
.faq-a p{
  font-size:14px;
  line-height:1.8;
  color:var(--text-2);
  padding:0 22px 20px 22px;
  border-top:1px solid rgba(140,170,220,.1);
  margin-top:2px;
  padding-top:14px;
}

/* ---------- sidebar ---------- */
.side-col{display:grid;gap:16px;position:sticky;top:96px;}
.tip-card{
  border-radius:var(--r-card);
  border:1px solid rgba(255,122,80,.42);
  background:linear-gradient(160deg,rgba(255,122,80,.10),rgba(22,34,58,.9));
  padding:22px;
  box-shadow:var(--shadow-card);
}
.tip-head{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.tip-head svg{width:22px;height:22px;color:var(--warm);flex:0 0 22px;}
.tip-head strong{font-size:16px;font-weight:700;}
.tip-list{display:grid;gap:12px;}
.tip-list li{
  display:flex;
  gap:10px;
  font-size:14px;
  line-height:1.7;
  color:var(--text-2);
}
.tip-list li::before{
  content:"";
  flex:0 0 6px;
  width:6px;height:6px;
  margin-top:.62em;
  border-radius:50%;
  background:var(--warm);
}
.tip-card .btn{width:100%;margin-top:18px;}

.side-figure{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--panel);
}
.side-figure img{width:100%;aspect-ratio:4/5;object-fit:cover;}
.side-figure figcaption{
  font-size:12px;
  color:var(--text-3);
  padding:12px 16px;
  line-height:1.6;
  border-top:1px solid var(--line);
}

/* ---------- feedback form ---------- */
.form-card{
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--panel);
  padding:22px;
  box-shadow:var(--shadow-card);
}
.form-card h3{font-size:16px;font-weight:700;margin-bottom:6px;}
.form-card .form-hint{font-size:13px;color:var(--text-3);margin-bottom:16px;line-height:1.6;}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;letter-spacing:.02em;}
.field-row{display:flex;gap:10px;}
.field-row input{
  flex:1;
  min-width:0;
  background:rgba(7,12,22,.75);
  border:1px solid var(--line);
  border-radius:var(--r-input);
  padding:12px 14px;
  font-size:14px;
  color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field-row input::placeholder{color:var(--text-3);}
.field-row input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(198,255,74,.18);
}
.field-row input.error{border-color:#FF5C5C;box-shadow:0 0 0 3px rgba(255,92,92,.16);}
.field-msg{font-size:12px;color:var(--text-3);margin-top:10px;min-height:18px;}
.field-msg.err{color:#FF5C5C;}
.field-msg.ok{color:var(--brand);}
.field-row .btn{flex:0 0 auto;padding:12px 20px;font-size:14px;}

/* ---------- statement ---------- */
.statement{
  border-radius:16px;
  background:var(--panel-2);
  border:1px solid var(--line);
  border-left:3px solid rgba(140,170,220,.42);
  padding:26px 28px;
}
.statement h2{font-size:19px;font-weight:700;margin-bottom:12px;}
.statement p{font-size:14px;line-height:1.9;color:var(--text-2);}
.statement p + p{margin-top:10px;}

/* ---------- cta band ---------- */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:40px;
  border-radius:24px;
  background:var(--glass);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:var(--glass-line);
  box-shadow:0 30px 60px -46px rgba(0,0,0,.95);
}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);font-weight:700;line-height:1.28;}
.cta-band .cta-desc{font-size:14px;color:var(--text-2);margin-top:10px;max-width:34em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.qr-box{
  flex:0 0 120px;
  width:120px;height:120px;
  border-radius:16px;
  background:var(--panel-2);
  border:1px solid var(--line);
  display:grid;
  place-items:center;
  position:relative;
  font-size:12px;
  color:var(--text-3);
  letter-spacing:.06em;
}
.qr-box::before,.qr-box::after{
  content:"";
  position:absolute;
  width:14px;height:14px;
  border:2px solid var(--accent);
  border-radius:3px;
}
.qr-box::before{top:10px;left:10px;border-right:0;border-bottom:0;}
.qr-box::after{bottom:10px;right:10px;border-left:0;border-top:0;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:var(--sp-9);
  background:var(--panel-2);
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(198,255,74,.3),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:32px;
  padding:56px 0 40px;
}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-3);line-height:1.8;max-width:24em;}
.footer-qr{
  margin-top:18px;
  width:96px;height:96px;
  border-radius:14px;
  border:1px solid var(--line);
  background:rgba(7,12,22,.5);
  display:grid;
  place-items:center;
  font-size:12px;
  color:var(--text-3);
  letter-spacing:.06em;
}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:.04em;}
.footer-col ul{display:grid;gap:10px;}
.footer-col li{font-size:14px;color:var(--text-3);line-height:1.7;}
.footer-col a{font-size:14px;color:var(--text-3);display:inline-block;transition:color .18s ease,transform .18s ease;}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid rgba(140,170,220,.1);
  padding:20px 0 32px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:12px;
  color:var(--text-3);
  letter-spacing:.04em;
}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease-out,transform .4s ease-out;}
.reveal.in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .faq-layout{grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:grid;}
  .nav-actions .btn-ghost{display:none;}
  .page-head-grid{grid-template-columns:1fr;}
  .banner{min-height:180px;aspect-ratio:16/6;}
  .faq-layout{grid-template-columns:1fr;}
  .side-col{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .section{padding:64px 0;}
  .site-footer{margin-top:64px;}
}
@media (max-width:767px){
  .site-header{padding:0 12px;top:8px;}
  .nav-shell{min-height:62px;padding:8px 12px;gap:8px;}
  .brand-text strong{font-size:15px;}
  .brand-text span{font-size:10px;}
  .container{padding:0 18px;}
  .nav-actions .btn-primary{display:none;}
  .page-head h1{margin:14px 0 10px;}
  .section{padding:48px 0;}
  .faq-group > h2{font-size:19px;}
  .faq-q{padding:16px 18px;gap:10px;}
  .faq-a p{padding:12px 18px 18px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 22px;gap:24px;}
  .qr-box{width:96px;height:96px;flex:0 0 96px;align-self:center;}
  .statement{padding:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;padding:40px 0 28px;}
  .footer-bottom{flex-direction:column;text-align:center;align-items:center;}
}
@media (max-width:520px){
  .drawer-grid{grid-template-columns:1fr;}
  .btn{width:100%;}
  .nav-actions .btn{width:auto;}
  .nav-toggle{width:38px;height:38px;}
  .cta-actions .btn{width:100%;}
  .field-row{flex-direction:column;}
  .field-row .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .page-head h1{font-size:26px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
}